.box {
    position: relative;
    background-color: #F4F4F4;
    height: 100%;
    overflow: hidden;
    .box-hd {
        text-align: center;
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        line-height: 30px;
        .title-wrap {
            position: relative;
            padding: 10px 0;
            margin: 0 19px;
            border-bottom: 1px solid #D9D9D9;
            background-color: #F4F4F4;
            z-index: 1024;
            .title {
                font-weight: 400;
                height: 25px;
                display: inline-block;
                font-size: 14px;
                cursor: pointer;
                .name {
                    display: inline-block;
                    vertical-align: middle;
                    max-width: 300px;
                    overflow: hidden;
                    text-overflow: ellipsis;
                    white-space: nowrap;
                    word-wrap: normal;
                    text-decoration: none;
                    color: #000;
                    font-weight: 400;
                }
                .num {
                    display: inline-block;
                }
            }
        }
        .members {
            position: absolute;
            background-color: #fff;
            z-index: 99;
            top: 50px;
            left: 0;
            outline: none;
            width: 100%;
            margin-top: 1px;
            box-shadow: 1px 1px 1px #e0e0e0;
            .members-container {
                padding: 10px 4px 8px 17px;
                background-color: #F4F4F4;
                border-bottom: 1px solid #dedede;
                .members-inner {
                    margin-right: -4px;
                    max-height: 300px;
                    padding: 0;
                    overflow-y: scroll;
                    .member {
                        .member-item {
                            float: left;
                            position: relative;
                            height: 85px;
                            margin-right: 7px;
                            margin-left: 7px;
                            padding-top: 10px;
                            .role-type {
                                position: absolute;
                                right: 0;
                                top: 0;
                                width: 40px;
                            }
                            .avatar {
                                display: block;
                                cursor: pointer;
                                width: 55px;
                                height: 55px;
                                background-color: #ccc;
                                border-radius: 5px;
                            }
                            .nickname {
                                color: #888;
                                width: 72px;
                                overflow: hidden;
                                text-overflow: ellipsis;
                                white-space: nowrap;
                                word-wrap: normal;
                                font-size: 12px;
                                margin-left: -8px;
                                vertical-align: middle;
                            }
                        }
                        &:after {
                            display: block;
                            content: ' ';
                            clear: both
                        }
                    }
                }
            }
        }
        .members-mask {
            position: fixed;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            z-index: 1;
        }
    }
    .box-bd {
        position: absolute;
        top: 51px;
        bottom: 180px;
        left: 0;
        right: 0;
        .none {
            text-align: center;
            .img {
                width: 90px;
                height: 90px;
                margin-top: 190px;
                &.img2 {
                    width: auto;
                }
            }
            .text {
                color: #9DA4B3;
                font-size: 16px;
                line-height: 21px;
            }
        }
    }
    .box-ft {
        position: absolute;
        right: 0;
        bottom: 0;
        left: 0;
        height: 180px;
        margin-right: 19px;
        border-top: 1px solid #d9d9d9;
        .toolbar {
            height: 30px;
            padding: 5px 17px;
            .tool-item {
                position: relative;
                display: inline-block;
                width: 30px;
                height: 30px;
                line-height: 30px;
                text-align: center;
                .input-file {
                    position: absolute;
                    top: -10px;
                    left: 0px;
                    width: 30px;
                    height: 40px;
                    overflow: hidden;
                    bottom: auto;
                    right: auto;
                    opacity: 0;
                }
            }
        }
        .content {
            .text-area {
                width: 100%;
                height: 6em;
                overflow-y: auto;
                overflow-x: hidden;
                padding-left: 20px;
                outline: none;
                border: 0;
                font-size: 14px;
                background: transparent;
                box-sizing: border-box;
            }
            .forbid {
                width: 100%;
                height: 6em;
                color: #CECECE;
                font-size: 14px;
                text-align: center;
                line-height: 6em;
                box-sizing: border-box;
            }
        }
        .action {
            text-align: right;
            margin-top: 5px;
            .fast-send {
                color: #f44;
                font-size: 12px;
            }
            .desc {
                color: #888;
                font-size: 12px;
                margin-left: 10px;
                margin-right: 7px;
            }
        }
    }
}